Definitions
A substance made of the combined atoms of two or more elements
Compound
Name the compound SCl6
Sulfur Hexachloride
What goes on the left side of the equation?
The reactants
Loses or gains electrons
Ionic Bond
Ion
Positively or negatively charged atom
Chemical bond
Force that holds together the atoms in a substance
Solve the formula Na+ , Cl-
NaCl
What goes on the right side of the equation?
The products
Atoms ________ electrons in a covalent bond
Share
When is an atom chemically stable?
When it's outer (valence) shell is filled
Binary Compound
Name the compound SiO2
Silicon Dioxide
What does "(s)" represent?
Solids
Ionic Bonds are between ______ and _________
metals and nonmetals
What is the prefix for binary covalent compounds for 6 atoms?
Hexa-
Numbers which represents the number of units of each substance in a reaction
Coefficients
What does the word polyatomic ions mean?
Polyatomic means "having many atoms."
What does the law of conservation of mass state?
The total starting mass of all reactants equals the the total final mass of all products
Can form multiple bonds between a nonmetal and another nonmetals
Covalent Bonds
A compound that has water chemically attached to its ions and written into its chemical formula
Superscripts
Numbers on top of the symbol which represent the oxidation number of the atom
Solve the formula ZN+2 , OH-
Zn (OH)2
What are balanced chemical equations?
When the equation has the same number of atoms of each element on both sides
What is a word that describes both covalent and ionic bonds?
Balance the equation: __KClO3 ---> ___ KCl + ___ O2
2KClO3 ---> 2KCl + 3O2